<template>
    <div>
        <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片试图区域 -->
        <el-card>
            <!-- 搜索与添加区域 -->
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" class="input-with-select" v-model="queryInfo.query" clearable @clear='getUserList'>
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="dialogVisible=true">添加用户</el-button>
                </el-col>
            </el-row>

            <!-- 用户列表区域 -->
            <el-table :data="userList" style="width: 100%" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column prop="username" label="姓名" ></el-table-column>
                <el-table-column prop="email" label="邮箱" ></el-table-column>
                <el-table-column prop="mobile" label="电话"></el-table-column>
                <el-table-column prop="role_name" label="角色"></el-table-column>
                <el-table-column  label="状态">
                    <template slot-scope="scope">
                        <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180px">
                    <template slot-scope="scope">
                        <!-- 修改按钮 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini"  @click="showEditDialog(scope.row.id)"></el-button>
                        <!-- 删除按钮 -->
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                        <!-- 分配角色按钮 -->
                        <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable='false'>
                            <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页区域 -->
            <el-pagination @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[1, 2, 5, 10]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
            </el-pagination>
        </el-card>
        <!-- 添加用户对话框 -->
        <el-dialog
        title="添加用户"
        :visible.sync="dialogVisible"
        width="50%"
        @close="addDialogClosed"
        >
        <!-- 内容主题区 -->
            <el-form :model="addForm" :rules="addFormRules" ref="ruleFormRef" label-width="70px" >
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>
                <el-form-item label="电话" prop="mobile">
                    <el-input v-model="addForm.mobile"></el-input>
                </el-form-item>
            </el-form>
        <!-- 按钮 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="dialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 修改用户对话框 -->
        <el-dialog
            title="修改用户"
            :visible.sync="dialogVisibleUpdate"
            width="50%" @close="editDialogClosed">
            <el-form :model='editForm' :rules="editFormRules" ref="editFormRef" label-width="70px">
                <el-form-item label="用户名" >
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                <el-form-item label="电话" prop="mobile">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="dialogVisibleUpdate = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>
<script>
export default {
    data(){
        //校验邮箱的规则
        var checkEmail= (rule,value,cb)=>{
            const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
            if(regEmail.test(value)){
                return cb()
            }
            cb(new Error('请输入合法的邮箱'))
        }
        //校验手机号的规则
        var checkMobile=(rule,value,cb)=>{
            //验证手机号的正则
            const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
            if(regMobile.test(value)){
                return cb()
            }
            cb(new Error('请输入合法的手机号'))
        }
        return {
            
            editFormRules:{
                email:[
                    {
                        required:true,
                        message:'请输入邮箱',
                        trigger:'blur'
                    },
                    {
                        validator:checkEmail,
                        trigger:'blur'
                    }
                ],
                mobile:[
                    {
                        required:true,
                        message:'请输入手机号',
                        trigger:'blur'
                    },
                    {
                        validator:checkMobile,
                        trigger:'blur'
                    }
                ]
            },
            editForm:{},
            //修改对话框的显示
            dialogVisibleUpdate:false,
            //获取用户列表的对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:2
            },
            userList:[],
            total:0,
            // 控制对话框的显示和隐藏
            dialogVisible:false,
            //添加用户的表单数据
            addForm:{
                username:'',
                password:'',
                email:'',
                mobile:''
            },
            //添加表单的数据规则
            addFormRules:{
                username:[
                    {
                        required:true,
                        message:'请输入用户名',
                        trigger:'blur'
                    },
                    {
                        min:3,
                        max:10,
                        message:'用户名长度在3到10个之间',
                        trigger:'blur'
                    }
                ],
                password:[
                    {
                        required:true,
                        message:'请输入密码',
                        trigger:'blur'
                    },
                    {
                        min:6,
                        max:15,
                        message:'，密码长度在6到15个之间',
                        trigger:'blur'
                    }
                ],
                email:[
                    {
                        required:true,
                        message:'请输入邮箱',
                        trigger:'blur'
                    },
                    {
                        validator:checkEmail,
                        trigger:'blur'
                    }
                ],
                mobile:[
                    {
                        required:true,
                        message:'请输入手机号',
                        trigger:'blur'
                    },
                    {
                        validator:checkMobile,
                        trigger:'blur'
                    }
                ]
            }
        }
    },
    created(){
        this.getUserList()
    },
    methods:{
        async getUserList(){
           const {data:res} = await this.$axios.get('users',{params:this.queryInfo})
           if(res.meta.status !== 200){
               return this.$message.error('获取用户列表失败！')
           }
           this.userList = res.data.users
           this.total = res.data.total
        },
        //监听 pagesize 改变的事件
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getUserList()
        },
        //监听页码值改变的事件
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getUserList()
        },
        //监听switch开关状态的改变
        async userStateChanged(userinfo){
           const {data:res} = await this.$axios.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
           if(res.meta.status !== 200){
               userinfo.mg_state = !userinfo.mg_state
               return this.$message.error('更新用户状态失败')
           }
           this.$message.success('更新状态成功！')
        },
        //对话框关闭之后进行数据重置
        addDialogClosed(){
            this.$refs.ruleFormRef.resetFields()
        },
        addUser(){
            this.$refs.ruleFormRef.validate(async valid =>{
                if(!valid) return
                //可以发起添加用户的网络请求
               const {data:res} = await this.$axios.post('users',this.addForm)
               
               if(res.meta.status !== 201){
                   this.$message.error('添加用户失败')
                   return
               }
               this.$message.success('添加用户成功')

               //隐藏添加用户的对话框
               this.dialogVisible = false
               //重新过去用户列表
               this.getUserList()
            })
        },
        //展示编辑用户的对话框
        async showEditDialog(id){
            
            const {data:res} = await this.$axios.get('users/'+id)
            if(res.meta.status !== 200){
                return this.$message.error("查询用户信息失败")
            }
            this.editForm = res.data
            this.dialogVisibleUpdate = true
        },
        // 监听修改用户对话框的关闭事件
        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        },
        //修改用户信息并验证
        editUserInfo(){
            this.$refs.editFormRef.validate(async valid=>{
                if(!valid){
                    this.$message.error('请输入合法的信息')
                    return
                }else{
                    const {data:res} = await this.$axios.put('users/' + this.editForm.id,{email:this.editForm.email,mobile:this.editForm.mobile})
                    console.log(res);
                    if(res.meta.status !== 200){
                        return this.$message.error('更新用户信息失败')
                    }
                    this.$message.success('更新用户信息成功')
                    this.getUserList()
                    this.dialogVisibleUpdate = false
                }
            })
        },
        //根据ID删除用户
        async removeUserById(id){
            const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).catch(err=>err)

            //如果用户确认删除，则返回值为字符串confirm
            //如果用户取消了删除，则返回值为字符串 cancel
            if(confirmResult !== 'confirm'){
                return this.$message.info('已取消删除')
            }
            const {data : res} =  await this.$axios.delete('users/'+id)
            if(res.meta.status!==200){
                return this.$message.error('删除用户失败')
            }
            this.$message.success('删除用户成功')
            this.getUserList()
        }
    }
}
</script>

<style lang="scss" scoped>

</style>